<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .div1{
            width: 100px;
            height: 100px;
            background: red;

            overflow: hidden;
        }
        .div-f{
            width: 100px;
            height: 100px;
            background: silver;

            overflow: hidden;
        }
        .div-s{
            width: 120px;
            height: 20px;
            background: #2fff3d;
        }
    </style>
</head>
<body>

    <div class="div1">
        111111111111111111111111111111111111111111111111
    </div>

    <div class="div-f">
        <div class="div-s">

        </div>
    </div>


</body>
</html>
